Gabriel Jean Antoine Davioud (French: [ʒɑ̃ ɑ̃twan ɡabʁijɛl davju]; 30 October 1824 – 6 April 1881) was a French architect, a representative of eclecticism in architecture. He worked closely with Baron Haussmann on the transformation of Paris under Napoleon III during the Second Empire. Davioud is remembered for his numerous contributions to Parisian architecture, notably the now-former Trocadéro Palace, which he co-designed with Jules Bourdais, the two theatres on the Place du Châtelet (Théâtre du Châtelet and Théâtre de la Ville), the Fontaine Saint-Michel, as well as urban amenities such as pavilions, benches and kiosks. These contributions now form an integral part of the style of Haussmann's Paris.
